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Direct3D9Ex: Avoid having to recreate resources if possible when resizing window/toggling vsync

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This commit is contained in:
UnknownShadow200 2021-09-20 23:23:05 +10:00
parent 417f58f5ce
commit a141e7e4ce
1 changed files with 18 additions and 5 deletions
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23
src/Graphics_D3D9.c
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@ -20,6 +20,7 @@ static DWORD d3d9_formatMappings[2] = { D3DFVF_XYZ | D3DFVF_DIFFUSE, D3DFVF_XYZ
/* Current format and size of vertices */
static int gfx_stride, gfx_format = -1;
static cc_bool using_d3d9Ex;
static IDirect3D9* d3d;
static IDirect3DDevice9* device;
static DWORD createFlags;
@ -73,6 +74,7 @@ static void CreateD3D9Instance(void) {
res = _Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d);
if (res) Logger_Abort2(res, "Direct3D9Create9Ex failed");
/* Extended Direct3D9 does not support managed textures */
using_d3d9Ex = true;
} else {
d3d = _Direct3DCreate9(D3D_SDK_VERSION);
/* Normal Direct3D9 supports POOL_MANAGED textures */
@ -326,7 +328,7 @@ GfxResourceID Gfx_CreateTexture(struct Bitmap* bmp, cc_uint8 flags, cc_bool mipm
}
if (Gfx.LostContext) return 0;
if ((flags & TEXTURE_FLAG_MANAGED) && Gfx.ManagedTextures) {
if ((flags & TEXTURE_FLAG_MANAGED) && !using_d3d9Ex) {
for (;;) {
res = IDirect3DDevice9_CreateTexture(device, bmp->width, bmp->height, levels,
0, D3DFMT_A8R8G8B8, D3DPOOL_MANAGED, &tex, NULL);
@ -336,8 +338,8 @@ GfxResourceID Gfx_CreateTexture(struct Bitmap* bmp, cc_uint8 flags, cc_bool mipm
D3D9_SetTextureData(tex, bmp, 0);
if (mipmaps) D3D9_DoMipmaps(tex, 0, 0, bmp, bmp->width, false);
} else {
/* Direct3D9ex doesn't support dynamic textures */
if ((flags & TEXTURE_FLAG_DYNAMIC) && !Gfx.ManagedTextures) usage = D3DUSAGE_DYNAMIC;
/* Direct3D9Ex doesn't support dynamic textures */
if ((flags & TEXTURE_FLAG_DYNAMIC) && using_d3d9Ex) usage = D3DUSAGE_DYNAMIC;
for (;;) {
res = IDirect3DDevice9_CreateTexture(device, bmp->width, bmp->height, levels,
@ -754,12 +756,23 @@ finished:
return res;
}
static void UpdateSwapchain(const char* reason) {
D3DPRESENT_PARAMETERS args = { 0 };
if (using_d3d9Ex) {
/* Try to use ResetEx first to avoid resetting resources */
IDirect3DDevice9Ex* dev = (IDirect3DDevice9Ex*)device;
D3D9_FillPresentArgs(&args);
if (!IDirect3DDevice9Ex_ResetEx(dev, &args, NULL)) return;
}
Gfx_LoseContext(reason);
}
void Gfx_SetFpsLimit(cc_bool vsync, float minFrameMs) {
gfx_minFrameMs = minFrameMs;
if (gfx_vsync == vsync) return;
gfx_vsync = vsync;
if (device) Gfx_LoseContext(" (toggling VSync)");
if (device) UpdateSwapchain(" (toggling VSync)");
}
void Gfx_BeginFrame(void) {
@ -813,6 +826,6 @@ void Gfx_GetApiInfo(cc_string* info) {
void Gfx_OnWindowResize(void) {
if (Game.Width == cachedWidth && Game.Height == cachedHeight) return;
/* Only resize when necessary */
Gfx_LoseContext(" (resizing window)");
UpdateSwapchain(" (resizing window)");
}
#endif